using crusher dust for paving-zcrusher

Oct 26, 2006 Crusher dust is not the same as road base so if you are creating a subbase use roadbase to gain the best compaction then use crusher dust or paving blend sand for your screed bed. As your creed bed will compact slightly (as it must) your ideal thickness of the bed is usually around 25 - 50mm if you have to build it up anymore than this once again roadbase to 98% general compaction or a blind …